Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHRYN O'BRIEN D.O.
NPI 1235630856
Internal Medicine - Nephrology in Pittsburgh, PA

Active since February 28, 2018PECOS Enrolled
200 LOTHROP ST, PITTSBURGH, PA 15213(412) 802-3043 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 8, 2026, Oct 5, 2022, Sep 28, 2022 and 3 more (6 updates tracked since 2018).

About Kathryn O'brien D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHRYN O'BRIEN D.O. (NPI 1235630856) is an individual nephrology provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (OS022159) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Pittsburgh.

NPPES Registry Identity

NPI1235630856
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameKATHRYN O'BRIENCredential: D.O.
Location Address200 LOTHROP STPittsburgh, PA 15213-2536
Mailing Address3600 Forbes AvePittsburgh, PA 15213-3410
Sole ProprietorNo
Enumeration DateFebruary 28, 2018
Last NPPES UpdateJuly 8, 20266 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
NPI 1235630856 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in PA · OS022159
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
200 LOTHROP ST, Pittsburgh, PA 15213

Secondary Practice Location 1

Location 14401 Penn AvePittsburgh, PA 15224-1342 · Phone (412) 692-5183

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Kathryn O'brien D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Anesthetist, Certified Registered
200 LOTHROP ST
PITTSBURGH, PA 15213
Surgery (Vascular Surgery)
200 LOTHROP ST, F600 PRESBYTERIAN HOSPITAL
PITTSBURGH, PA 15213
Nurse Practitioner (Critical Care Medicine)
200 LOTHROP ST, 613 SCAIFE HALL
PITTSBURGH, PA 15213
Internal Medicine (Critical Care Medicine)
200 LOTHROP ST
PITTSBURGH, PA 15213
Occupational Therapist
200 LOTHROP ST
PITTSBURGH, PA 15213
Neurological Surgery
200 LOTHROP ST
PITTSBURGH, PA 15213
Student in an Organized Health Care Education/Training Program
200 LOTHROP ST
PITTSBURGH, PA 15213
Student in an Organized Health Care Education/Training Program
200 LOTHROP ST
PITTSBURGH, PA 15213

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kathryn O'brien's NPI number?

The NPI number for Kathryn O'brien is 1235630856. It was assigned to this individual provider in the NPPES registry on February 28, 2018.

Where is Kathryn O'brien located?

Kathryn O'brien practices at 200 Lothrop St, Pittsburgh, PA 15213. The listed phone number is (412) 802-3043.

What is Kathryn O'brien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Kathryn O'brien enrolled in Medicare?

Yes. Kathryn O'brien is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Kathryn O'brien was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.